Osprey numbers are recovering after a drop in contaminants in the Delaware Estuary.

Shorter telomere length is widely considered a manifestation of stress in young children, but the results of a new study find it’s more complicated than that.  

European perch larvae exposed to environmentally relevant concentrations of polystyrene particles preferred to eat the microplastics in place of prey, according to a study.

Humans have spiked ecosystems with a flood of active pharmaceuticals. The drugs are feminizing male fish, confusing birds, and worrying scientists.

A new study surveys the extent of the plastic problem in the world’s oceans, estimating more than 5 trillion pieces weighing nearly 250,000 tons.

Citizens of Ohio’s fourth-largest city can drink from the tap again, but the root causes of the Lake Erie algal blooms that shut off the flow for two days remain.

Body-building steroids used to beef up cattle can regenerate themselves in the environment.

From a tiny marine research center on the Louisiana coast, Nancy Rabalais has led the charge to map, understand, and reduce dangerous “dead zones” in the Gulf of Mexico.